Are you giving your vin numbers and sometimes pictures of your car? Else it's not going to matter.
KBB shows 22-25k with a private party sale of 23-26k.
I would guestimate the value of your car being worth around 23k.
It also depends where you are. Some vehicles are worth way more or less depending on your zip code (generally it depends on quadrants of the USA).
Some companies you can try (you give them your vin and pictures) are
If you had a Carmax offer let them know (if you are happy with it's amount). Lots of them will honor and or beat the price by $500 and come to pick the car up at your home. Most dealers are just a few pictures exchange and a pickup and a last minute to confirm you weren't lying about damage or anything.
givemethevin
Carvana
Truecar
Vroom
Facebook Marketplace (be careful not to waste your time with this one)
I'm sure there are others too.
Prices are funny on vehicles in the used car market more now then ever. Most of these places really don't understand what stuff is worth.
Check this out. The 1 year newer with half as much milage is the same price.
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This is how I ended up getting a used 2014 Kia Optima several years back from Carmax. Was cheaper then anything on their lot by around $2k even though there was no damage on it and it run fine.
Also a funny tidbit about Carmax, at 40k miles the price plummets for their trade-ins. They said they treat anything under 40k as essentially new and don't even really inspect it. Once it hits 40k they are more critical about things. You can also use their website as a tool as almost everything is sold within 90 days of being acquired so it's a good gauge of what price things move at when you haggle with other companies.
When the dealer lowballs you on the trade it, it's because they just don't want it, not always that it is not worth it.